Keystore creation, backup, deletion and reimport experiment fails.

Chimp:~ chimp$ geth account newYour new account is locked with a password. Please give a password. Do not forget this password.Passphrase: Repeat Passphrase: Address: {12044b31d1603193cbf31a925709abf132365ede}

I m having the same problem I mined for awhile got a few ether and now it shows zero ether in red numbers in my wallet. I dont see how this was solved yet? Does anyone have any info on this? Please help. Thanks.